diff --git a/Ghidra/Features/MicrosoftDmang/src/main/java/mdemangler/MDMangUtils.java b/Ghidra/Features/MicrosoftDmang/src/main/java/mdemangler/MDMangUtils.java
index 4badb070a02..942470a8e26 100644
--- a/Ghidra/Features/MicrosoftDmang/src/main/java/mdemangler/MDMangUtils.java
+++ b/Ghidra/Features/MicrosoftDmang/src/main/java/mdemangler/MDMangUtils.java
@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -168,7 +168,7 @@ else if (anon.startsWith("`")) {
 		else {
 			return anon;
 		}
-		Integer num = Integer.valueOf(str, 16);
+		Long num = Long.valueOf(str, 16);
 		return String.format("anon_%08X", num);
 	}
 
diff --git a/Ghidra/Features/MicrosoftDmang/src/test/java/mdemangler/MDMangUtilsTest.java b/Ghidra/Features/MicrosoftDmang/src/test/java/mdemangler/MDMangUtilsTest.java
index 962003867de..db135543d7f 100644
--- a/Ghidra/Features/MicrosoftDmang/src/test/java/mdemangler/MDMangUtilsTest.java
+++ b/Ghidra/Features/MicrosoftDmang/src/test/java/mdemangler/MDMangUtilsTest.java
@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.